My nan was hacked by telephone the caller said he was from talk talk she was ask to fill out some forms on line with all her details bank etc, not knowing about scammers and hackers she did. after realising her mistake witch was by then too late the caller ended the call and promptly the pc want black now no matter what we do it will not boot up Things we have tried reset to factory just keeps coming up with same error message no boot failed step two we then tried to do clean install of windows it goes fine until it ask what device we want to install on but it does not recognise either the flash drive or cd drive please help if any one can it seems they have locked her out of the hard drive her os is windows 8 Packard bell Sorry should have put this first when we boot up the pc we get black screen with the error message no boot disk found and no matter how many times i have gone into the bios to change to factory reset we just get the same message.